Water Electrolysis Hydrogen Purification
PERIC Catalytic Deoxo & Molecular Sieve Gas Purification Systems
Spirare Energy supplies PERIC Water Electrolysis Hydrogen & Oxygen Purification Systems, purpose-engineered to upgrade raw gases generated by alkaline and PEM electrolyzers into ultra-pure, fuel-cell grade and electronic-grade gases. Utilizing proprietary noble-metal catalytic deoxygenation (Deoxo) combined with multi-tower molecular sieve adsorption drying, PERIC purification equipment ensures unmatched gas purity with zero process gas loss.
Available in Two-Dryer Type and continuous non-stop Three-Dryer Type configurations, the systems achieve purified hydrogen purities exceeding 99.999% to 99.9999% with residual oxygen impurities below 1 ppm and deep moisture dew points lower than -70°C (and down to -76°C when coupled with chilled water pre-cooling). Byproduct electrolytic oxygen can simultaneously be purified to residual hydrogen levels below 5 ppm for high-value industrial or medical utilization.
Featuring proprietary closed-loop thermal regeneration with 100% gas recovery, automated PLC cycle switchover logic, and SIL-rated safety interlocks, PERIC purification skids range from compact 5 Nm³/h units for hydrogen refueling stations up to 4,000+ Nm³/h multi-train skids for utility-scale green ammonia, green methanol, and semiconductor manufacturing facilities worldwide.
Purification Parameters & System Packages
Explore complete technical parameters, performance ratings, and the two specialized Water Electrolysis Gas Purification systems engineered by PERIC.
Purification Parameters
PERIC StandardsPurified Hydrogen Purity
≥ 99.999% to 99.9999%
Catalytic deoxo reaction reduces residual oxygen impurities to less than 1 ppm in purified hydrogen gas.
Moisture Dew Point
Lower than -70°C (-76°C)
Twin/tri-tower molecular sieve adsorption achieves < -70°C, reaching lower than -76°C with available chiller water.
Purified Oxygen Quality
Residual H₂ < 5 ppm in O₂
Byproduct electrolytic oxygen is purified to < 5 ppm H2, meeting international medical and electronic standards.
Purified Gas Loss
0% Gas Loss (Zero Loss)
Proprietary closed-loop thermal regeneration circuit eliminates purge gas venting, ensuring 100% product recovery.
Switch-Over Operation
Fully Automatic PLC Logic
Automated timed and online dew-point sensor controlled valve sequencing with zero manual intervention required.
Operating Capacity Range
5 Nm³/h to 4,000+ Nm³/h
Standard modular skids designed for seamless multi-train clustering in multi-megawatt and gigawatt green hydrogen facilities.
Key Engineering Advantages & Deliverables
Proprietary Zero Gas Loss Design
Closed-loop regeneration cycle ensures zero hydrogen is vented to the atmosphere, delivering 100% production recovery.
Ultra-Low Dew Point (< -70°C to -76°C)
Deep moisture dehydration ensures full compliance with ISO 14687 Grade D fuel cell and electronic carrier gas standards.
High-Efficiency Noble Metal Catalysts
Palladium/platinum deoxo catalysts operate at low activation temperatures with superior poisoning resistance and long service life.
Automated PLC / DCS Valve Sequencing
Fully automatic dryer switchover based on real-time dew point and moisture saturation curves with SIL-rated safety interlocks.
Dual H2 & O2 Simultaneous Purification
Capable of purifying both hydrogen and byproduct oxygen streams simultaneously, maximizing overall electrolyzer plant ROI.
Compact Factory Pre-Commissioned Skids
All valves, piping, heaters, coolers, and electrical instrumentation are fully mounted, wired, and tested on a unified structural frame.
Hydrogen & Oxygen Purification Portfolio
Select an engineered purification architecture based on your plant capacity, continuity requirements, and oxygen recovery goals.
Dual-Tower Alternating Regenerative Catalytic Deoxo Skid
Engineered with a high-activity noble-metal catalytic deoxo reactor followed by two alternating molecular sieve desiccant drying towers. While Tower A is actively purifying and dehydrating process gas on stream, Tower B undergoes automated thermal closed-loop regeneration and cooling.
Custom engineered skids available on request
| Product / System | Capacity Range | System Architecture & Key Features | Action |
|---|---|---|---|
Two-Dryer-Type Hydrogen Purification System Two-Dryer Type | 5 Nm³/h to 1,000 Nm³/h | Dual-Tower Alternating Regenerative Catalytic Deoxo Skid Engineered with a high-activity noble-metal catalytic deoxo reactor followed by two alternating molecular sieve desiccant drying towers. While Tower A is actively purifying and dehydrating process gas on stream, Tower B undergoes automated thermal closed-loop regeneration and cooling. Best for: Dedicated single-electrolyzer installations, hydrogen refueling stations (HRS), semiconductor wafer fabs, and industrial bright annealing furnaces. | |
Three-Dryer-Type Hydrogen (Oxygen) Purification System Three-Dryer Type | 500 Nm³/h to 4,000+ Nm³/h per train | Tri-Tower Continuous Non-Stop High-Capacity Skid High-capacity industrial purification train utilizing three synchronized rotating desiccant towers: Tower 1 on stream drying, Tower 2 in high-efficiency heating regeneration, and Tower 3 in cooling/standby. Ensures constant laminar velocity and eliminates pressure swings during bed transition. Best for: Utility-scale green hydrogen hubs, green ammonia and green methanol synthesis, pipeline gas injection, and direct reduced iron (DRI) steelmaking. |
PROCESS APPLICATION CONFIGURATOR
Select your desired application to configure the ideal engineering pathway and receive a tailored quotation.
Hydrogen Configurator Coming Soon
We are currently developing the advanced configuration tools for our Green Hydrogen systems. Please check back later or contact our engineering team directly for inquiries.